C222123232321333131133133313331323132313331323112331231113221111   >>    C22212323232133313113313331333132313231333132311233123111322111   <<    C222123232321333131133133313331323132313331323112331231113221113   >>      C222123232321333131133133313331323132313331323112331231113221112   >>